Chapter 296-835 WAC

Last Update: 9/5/17

DIPPING AND COATING OPERATIONS (DIP TANKS)

WAC Sections

296-835-099Definitions.
296-835-100Scope.
296-835-110General requirements.
CONSTRUCTION
296-835-11005Construct safe dip tanks.
VENTILATION
296-835-11010Provide proper ventilation for the vapor area.
296-835-11015Take additional precautions if you recirculate ventilation system exhaust air into the workplace.
296-835-11020Take additional precautions when using an exhaust hood.
INSPECTION
296-835-11025Periodically inspect your dip tanks and associated equipment and correct any deficiencies.
FIRST AID
296-835-11030Make sure employees working near dip tanks know appropriate first-aid procedures.
CLEANING
296-835-11035Prepare dip tanks before cleaning.
CYANIDE
296-835-11040Safeguard cyanide tanks.
WELDING
296-835-11045Protect employees during welding, burning, or other work using open flames.
LIQUIDS HARMFUL TO SKIN
296-835-11050Protect employees that use liquids that may burn, irritate, or otherwise harm the skin.
296-835-120Additional requirements for dip tanks using flammable liquids or liquids with flashpoints greater than 199.4°F (93°C).
CONSTRUCTION
296-835-12005Include additional safeguards when constructing dip tanks.
296-835-12010Provide overflow pipes.
296-835-12015Provide bottom drains.
FIRE PROTECTION
296-835-12020Provide fire protection in the vapor area.
296-835-12025Provide additional fire protection for large dip tanks.
ELECTRICAL WIRING AND EQUIPMENT AND SOURCES OF IGNITION
296-835-12035Prevent static electricity sparks or arcs when adding liquids to a dip tank.
296-835-12040Control ignition sources.
296-835-12045Provide safe electrical wiring and equipment where the liquid can drip or splash.
HOUSEKEEPING
296-835-12050Keep the area around dip tanks clear of combustible material and properly dispose of waste.
HEATING LIQUID
296-835-12055Make sure heating the liquid in your dip tanks does not cause a fire.
HEAT DRYING
296-835-12060Make sure a heating system used for drying objects does not cause a fire.
CONVEYORS
296-835-12065Make sure conveyor systems are safe.
296-835-130Additional requirements for dip tanks used for specific processes.
HARDENING OR TEMPERING
296-835-13005Meet specific requirements if you use a hardening or tempering tank.
ELECTROSTATIC EQUIPMENT
296-835-13010Meet specific requirements if you use electrostatic equipment.
FLOW COATING
296-835-13015Meet specific requirements if you use a flow coating process.
ROLL COATING
296-835-13020Take additional precautions if your roll coating operation uses a liquid that has a flashpoint below 140°F (60°C).
VAPOR DEGREASING
296-835-13025Provide additional safeguards for vapor degreasing tanks.
SPRAY CLEANING OR DEGREASING
296-835-13030Control liquid spray over an open surface cleaning or degreasing tank.
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